Mechanics & Industry
Volume 16, Number 3, 2015
|Number of page(s)||7|
|Published online||21 April 2015|
Investigation of dimensional accuracy in incremental sheet metal hammering process: a parametric study
School of Mechanical Engineering, Iran University of Science and Technology, 16846 Narmak, Tehran, Iran
a Corresponding author: firstname.lastname@example.org
Received: 17 June 2014
Accepted: 9 February 2015
With the increasing demand for low-volume production, the incremental forming process is developed as a rapid prototyping method. Incremental sheet metal hammering method has been used in recent years. In this process, a sequence hammer moving over a clamped Aluminum sheet and a three dimensional workpiece can be produced by using a simple die. In this paper, the influence of the punch diameter on the dimensional accuracy was studied. This component was divided to four sections: thickness, overall geometry, surface quality and spring-back. By using the image processing and roughness tester, the values of results were obtained and analyzed. The results had revealed that the surface roughness and spring-back were decreased by decreasing the punch diameter. Overall geometry was deviated from the ideal shape by increasing the punch diameter.
Key words: Incremental forming / Punch diameter / dimensional accuracy / aluminum sheet
© AFM, EDP Sciences 2015
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